URSIGRAM SYDNEY 20/0000UT JUNE 2025 GEOALERT SYD171 UGEOA 85303 50620 0000/ 4021/ 12201 21201 30201 99999 PLAIN MAGNETIC FORECAST: ACTIVE due to CORONAL HOLE BT Australian Space Weather Forecasting Centre Bureau of Meteorology ASWFC at bom.gov.au www.bom.gov.au | www.sws.bom.gov.au